I recently purchased the Corsair RM850x (2021) Fully Modular ATX Power Supply, and I must say, I am extremely impressed with its performance and features. Corsair has always been known for delivering high-quality power supplies, and the RM850x is no exception. Here’s my review of this remarkable power supply.
First and foremost, the efficiency of the RM850x is outstanding. With its 80 PLUS Gold certification, it delivers excellent power efficiency, ensuring that my system consumes less energy and runs cooler. This not only helps in reducing electricity bills but also contributes to the overall longevity and reliability of my system.
The fully modular design of the RM850x is a game-changer. It allows for easy cable management, as I can connect only the cables I need and keep the rest neatly stored away. This not only enhances the aesthetics of my build but also improves airflow within the case. The modular design also makes installation a breeze, as I can effortlessly connect the required cables without any clutter or hassle.
One of the standout features of this power supply is its low-noise fan. The fan operates silently under regular loads, and I barely notice its presence. It only kicks in when the system is under heavy load, and even then, the noise levels are impressively low. The Zero RPM fan mode is particularly noteworthy, as it ensures complete silence during idle or low-power usage scenarios. This is a great feature for those who prefer a quiet computing experience.
The build quality of the RM850x is top-notch. The unit feels solid and durable, and the black finish gives it a sleek and premium look. The cables provided are of high quality and have a premium feel as well. The power supply comes with all the necessary protections, including over-voltage, under-voltage, over-power, over-temperature, and short-circuit protection, ensuring the safety of my components.
In terms of power delivery, the RM850x handles my system with ease. It provides ample power for my high-end components, including a demanding CPU and a high-performance graphics card. The voltage regulation is excellent, and I have not encountered any stability issues or power-related problems since installing this power supply.
One minor drawback of the RM850x is its size. It’s a bit larger than some other power supplies on the market, so it might not fit into smaller PC cases. However, in most standard ATX cases, this should not be an issue.
Overall, the Corsair RM850x (2021) Fully Modular ATX Power Supply is an exceptional product that delivers on all fronts. Its efficiency, modular design, low-noise fan, and solid build quality make it a reliable choice for any PC enthusiast or gamer. With its impressive performance and thoughtful features, the RM850x is definitely worth the investment for those looking for a high-quality power supply to power their systems.
I highly recommend the Corsair RM850x to anyone in need of a powerful, efficient, and silent power supply for their PC build. Corsair has once again raised the bar with this outstanding product.
Pros and Cons
What We Liked
- The efficiency and 80 PLUS Gold certification ensure energy savings and cooler system operation.
- The fully modular design allows for easy cable management and improved airflow.
- The low-noise fan operates silently and has a Zero RPM mode for quiet computing.
- The solid build quality and high-quality cables ensure durability and safety.
- The power supply provides ample power for high-end components with excellent voltage regulation.
What Can Be Improved
- The power supply’s larger size may not fit into smaller PC cases.
- The packaging and accessories could be improved for a premium product.
Quick Verdict
The Corsair RM850x (2021) Fully Modular ATX Power Supply is an exceptional choice for PC enthusiasts and gamers. With its outstanding efficiency, modular design, low-noise fan, and solid build quality, it delivers top-notch performance and reliability. The power supply provides ample power for high-end components, and the voltage regulation is excellent. Despite its larger size, it is a reliable choice for most standard ATX cases. Overall, the Corsair RM850x is a high-quality power supply that offers excellent value for money.
Click here to check the product out on Amazon.
Unboxing – What’s Inside?
As an avid PC enthusiast in the USA, I recently purchased the Corsair RM850x (2021) Fully Modular ATX Power Supply from Amazon. I was impressed with its reputation for being reliable and efficient. The delivery was quick, taking only a couple of days to arrive at my doorstep.
Upon unboxing the product, I found the following items inside the box:
- The Corsair RM850x (2021) Fully Modular ATX Power Supply.
- User guide and documentation.
- Power cable.
- Various modular cables for connecting to different components.
- A set of screws for mounting the power supply.
Specifications
The Corsair RM850x (2021) Fully Modular ATX Power Supply boasts the following specifications:
- Brand: Corsair
- Model Name: RM850X
- Manufacturer: Corsair
- Color: Black
- Form Factor: ATX
- Cooling Method: Air
- Wattage: 850 watts
- Output Wattage: 850 watts
- Connector Type: EPS
- Compatible Devices: Personal Computer
- Item Dimensions: 6.3 x 5.91 x 3.39 inches
- Product Dimensions: 6.3 x 5.91 x 3.39 inches
- Item Weight: 3.74 pounds (1.7 kilograms)
- Item model number: CP-9020200-NA
- Series: RM850X
Documentation
The accompanying user guide and documentation provided valuable information on the installation, operation, and maintenance of the Corsair RM850x (2021) Fully Modular ATX Power Supply. It was clear and concise, helping me easily navigate through the setup process and understand the various features and specifications of the product. The user guide can be found here.
Features – What We Found
Fully Modular Design
The Corsair RM850x (2021) features a fully modular design, allowing users to only connect the cables that their system needs. This not only improves cable management but also enhances airflow within the PC case. With fewer cables cluttering the interior, it becomes easier to assemble and maintain the system.
Pro-tip: When connecting the cables, make sure to refer to the manual provided by Corsair to ensure proper installation and avoid any potential issues.
Low-Noise and Zero RPM Fan
Equipped with a 135mm ML fan that utilizes a magnetic levitation bearing and custom-engineered rotors, the RM850x offers high performance with minimal noise output. This ensures a quieter computing experience, especially during heavy usage or intense gaming sessions. Additionally, the power supply incorporates a Zero RPM fan mode, allowing for near-silent operation at low to medium loads.
Pro-tip: To maximize the lifespan and maintain optimal cooling performance of the fan, ensure regular cleaning of dust accumulation using compressed air or a soft brush.
EPS12V Connector for Compatibility
The RM850x comes with an EPS12V connector, making it compatible with modern graphics cards and motherboards. This connector provides the necessary power for high-performance components, ensuring stable and reliable operation even under heavy workloads.
Pro-tip: When installing graphics cards or connecting the power supply to the motherboard, ensure a secure and firm connection to prevent any potential power disruptions or performance issues.
Industrial-Grade Japanese Capacitors
Corsair has incorporated 100% industrial-grade, 105-degree Celsius rated Japanese capacitors into the RM850x. These high-quality capacitors offer unwavering power delivery and exceptional reliability. With their superior performance, the power supply can handle demanding tasks and provide stability even during extended periods of use.
Pro-tip: To prolong the lifespan of the power supply, avoid subjecting it to extreme temperatures or fluctuating power supply environments.
Resonant LLC Topology and DC-to-DC Conversion
The Corsair RM850x (2021) utilizes a resonant LLC (Inductor-Inductor-Capacitor) topology with DC-to-DC conversion. This technology ensures clean and consistent power delivery to the components, minimizing the occurrence of coil whine for quieter operation. Additionally, this design enables the use of more energy-efficient sleep states, contributing to overall power efficiency.
Pro-tip: To optimize power efficiency, consider enabling the sleep mode on your system during periods of inactivity or when running on low load.
Our Review and More
Our Score: 93.0
I recently purchased the Corsair RM850x (2021) Fully Modular ATX Power Supply, and I must say, I am extremely impressed with its performance and features. Corsair has always been known for delivering high-quality power supplies, and the RM850x is no exception. Here’s my review of this remarkable power supply.
First and foremost, the efficiency of the RM850x is outstanding. With its 80 PLUS Gold certification, it delivers excellent power efficiency, ensuring that my system consumes less energy and runs cooler. This not only helps in reducing electricity bills but also contributes to the overall longevity and reliability of my system.
The fully modular design of the RM850x is a game-changer. It allows for easy cable management, as I can connect only the cables I need and keep the rest neatly stored away. This not only enhances the aesthetics of my build but also improves airflow within the case. The modular design also makes installation a breeze, as I can effortlessly connect the required cables without any clutter or hassle.
One of the standout features of this power supply is its low-noise fan. The fan operates silently under regular loads, and I barely notice its presence. It only kicks in when the system is under heavy load, and even then, the noise levels are impressively low. The Zero RPM fan mode is particularly noteworthy, as it ensures complete silence during idle or low-power usage scenarios. This is a great feature for those who prefer a quiet computing experience.
The build quality of the RM850x is top-notch. The unit feels solid and durable, and the black finish gives it a sleek and premium look. The cables provided are of high quality and have a premium feel as well. The power supply comes with all the necessary protections, including over-voltage, under-voltage, over-power, over-temperature, and short-circuit protection, ensuring the safety of my components.
In terms of power delivery, the RM850x handles my system with ease. It provides ample power for my high-end components, including a demanding CPU and a high-performance graphics card. The voltage regulation is excellent, and I have not encountered any stability issues or power-related problems since installing this power supply.
One minor drawback of the RM850x is its size. It’s a bit larger than some other power supplies on the market, so it might not fit into smaller PC cases. However, in most standard ATX cases, this should not be an issue.
Overall, the Corsair RM850x (2021) Fully Modular ATX Power Supply is an exceptional product that delivers on all fronts. Its efficiency, modular design, low-noise fan, and solid build quality make it a reliable choice for any PC enthusiast or gamer. With its impressive performance and thoughtful features, the RM850x is definitely worth the investment for those looking for a high-quality power supply to power their systems.
I highly recommend the Corsair RM850x to anyone in need of a powerful, efficient, and silent power supply for their PC build. Corsair has once again raised the bar with this outstanding product.
Click here to buy the Corsair RM850x (2021) Fully Modular ATX Power Supply
Alternatives To Consider
If you’re considering the Corsair RM850x (2021) Fully Modular ATX Power Supply – 80 PLUS Gold – Low-Noise Fan – Zero RPM – Black RMx 850W, but want to explore other options, here are some similar products that you may find interesting:
- Corsair RM850x (2021) Fully Modular ATX Power Supply – This power supply offers similar features to the main product and is backed by Corsair’s reputation for quality and reliability.
- MSI MPG A850G PCIE 5 & ATX 3.0 Gaming Power Supply – With its compact size and full modular design, this power supply is perfect for gamers who prioritize space optimization and easy cable management.
- NZXT C850 PSU (2022) – Boasting sleeved cables and 80+ Gold efficiency, this power supply not only performs well but also looks great in any gaming setup.
- EVGA 850 GQ, 80+ GOLD 850W, Semi Modular – This power supply features EVGA’s ECO mode and a 5-year warranty, providing peace of mind and energy efficiency.
- Cooler Master MWE Gold 850 V2 Full Modular – Designed with a 120mm HDB Fan for efficient cooling, this power supply offers a 5-year warranty and semi-fanless operation for a quieter computing experience.
Each of these alternative power supplies provides excellent performance and reliability. Whether you’re looking for specific features, like sleeved cables or compact size, or simply want to explore different brands, these options can meet your needs. Be sure to check their availability and pricing on Amazon for more details.
